Handheld electronic device



FIG. 1 is a top elevation of a handheld electronic device in accordance with the design;

FIG. 2 is a left side elevation of a handheld electronic device in accordance with the design;

FIG. 3 is a front elevation of a handheld electronic device in accordance with the design; and,

FIG. 4 is a right side elevation of a handheld electronic device in accordance with the design. 

I claim the ornamental design for a handheld electronic device, as shown and described. 